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Magneto-transport and magneto-optical studies on SnO2 transparent semiconducting thin films alloyed with Mn over a wide range of concentration

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Abstract

In this work, Mn-alloyed tin oxide transparent thin films with different Mn concentrations up to 60 at% were prepared via the spray pyrolysis method, and their structural, magneto-optical, and magneto-transport properties were studied. The results show that all the deposited films are polycrystalline with the tetragonal rutile structure. The unit cell volume of Sn1−xMn x O2 films was found to be minimum at the Mn concentration of x = 0.15 indicating to two different mechanisms for Mn addition in the crystal lattice of tin oxide. For the films with Mn concentrations less than 15%, substitutional doping is the working mechanism, while for more Mn concentrations, interstitial one is predominant. A critical Mn concentration about that observed for the structural properties of the films (i.e., x = 0.15) was revealed for their magnetoresistance and magneto-optical properties, as well. This suggests a correlation between the structural and magnetic behaviors of the deposited SnO2:Mn films.

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Authors and Affiliations

  1. School of Physics, Damghan University, Damghan, Iran

    M. M. Bagheri Mohagheghi

  2. Department of Physics, Payame Noor University (PNU), Tehran, 19395-3697, Iran

    Sh. Tabatabai Yazdi

  3. Department of Physics, University of Bojnord, Bojnord, Iran

    M. Mousavi

Authors
  1. M. M. Bagheri Mohagheghi
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  2. Sh. Tabatabai Yazdi
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  3. M. Mousavi
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Correspondence to M. Mousavi.

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Bagheri Mohagheghi, M.M., Tabatabai Yazdi, S. & Mousavi, M. Magneto-transport and magneto-optical studies on SnO2 transparent semiconducting thin films alloyed with Mn over a wide range of concentration. Appl. Phys. A 124, 274 (2018). https://doi.org/10.1007/s00339-018-1685-3

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